2154726

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{349}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 5460000

約数和(自身を除く): 3305274

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 349, 441, 686, 698, 882, 1029, 1047, 2058, 2094, 2443, 3087, 3141, 4886, 6174, 6282, 7329, 14658, 17101, 21987, 34202, 43974, 51303, 102606, 119707, 153909, 239414, 307818, 359121, 718242, 1077363, 2154726]

約数ペア:

[(1, 2154726), (2, 1077363), (3, 718242), (6, 359121), (7, 307818), (9, 239414), (14, 153909), (18, 119707), (21, 102606), (42, 51303), (49, 43974), (63, 34202), (98, 21987), (126, 17101), (147, 14658), (294, 7329), (343, 6282), (349, 6174), (441, 4886), (686, 3141), (698, 3087), (882, 2443), (1029, 2094), (1047, 2058)]